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Small Form-factor Pluggable (SFP) is a compact, hot-pluggable network interface module format used for both telecommunication and data communications applications. An SFP interface on networking hardware is a modular slot for a media-specific transceiver , such as for a fiber-optic cable or a copper cable. [ 1 ]
SFP-DD modules are used for high-density applications that need to double the throughput of an SFP Port. SFP-DD is defined by the SFP-DD MSA and enables breakout to two SFP ports. Two rows of electrical contacts enable doubling the throughput of SFP modules in a similar fashion as QSFP-DD. The quad small form-factor pluggable (QSFP) module ...
CFP4 modules use the 4-lane CAUI-4 electrical interface. [126] QSFP28 modules use the CAUI-4 electrical interface. SFP-DD or Small Form-factor Pluggable – Double Density modules use the 100GAUI-2 electrical interface. Cisco's CPAK optical module uses the four lane CEI-28G-VSR electrical interface. [127] [128]
Products that adhere to multi-source agreements (MSAs) include: optical transceivers, such as the SFP, SFP+, XENPAK, QSFP, XFP, CFP etc.; fiber optic cables; and other networking devices. MSAs strictly define the operating characteristics of these network devices so that system vendors may implement ports in their devices (e.g. Ethernet ...
An optical module is a typically hot-pluggable optical transceiver used in high-bandwidth data communications applications. Optical modules typically have an electrical interface on the side that connects to the inside of the system and an optical interface on the side that connects to the outside world through a fiber optic cable.
uncoded on-the-wire bit pattern transmitted from left to right (used by Ethernet variants transmitting serial bits instead of larger symbols) [1]: sections 4.2.5 and 3.2.2 10101010 10101010 10101010 10101010 10101010 10101010 10101010 10101011 decimal in Ethernet LSb-first ordering [1]: sections 3.2.2, 3.3 and 4.2.6 85 85 85 85 85 85 85 213
The XFI electrical interface specification is a 10 gigabit per second chip-to-chip electrical interface specification defined as part of the XFP multi-source agreement.It was also developed by the XFP MSA group.
The purpose of CPRI is to allow replacement of a copper or coax cable connection between a radio transceiver (used example for mobile-telephone communication and typically located in a tower) and a base station/baseband unit [3] (typically located at the ground nearby), so the connection can be made to a remote and more convenient location. [4]